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feat: add three-tier model system with Bedrock support

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Introduce small/medium/large model tiers so agents use the appropriate
model for their task complexity. Pre-recon uses Opus (large) for deep
source code analysis, most agents use Sonnet (medium), and report uses
Haiku (small) for summarization.

- Add src/ai/models.ts with ModelTier type and resolveModel()
- Add modelTier field to AgentDefinition
- Refactor claude-executor env var passthrough into loop
- Add Bedrock credential validation in preflight and CLI
- Pass through Bedrock and model env vars in docker-compose
This commit is contained in:
ezl-keygraph
2026-03-03 01:08:26 +05:30
parent 98e3446448
commit b62abfea4c
10 changed files with 159 additions and 21 deletions
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.env.example
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@@ -26,6 +26,28 @@ ANTHROPIC_API_KEY=your-api-key-here
# OPENROUTER_API_KEY=sk-or-your-openrouter-key
# ROUTER_DEFAULT=openrouter,google/gemini-3-flash-preview
# =============================================================================
# Model Tier Overrides (Anthropic API / OAuth / Bedrock)
# =============================================================================
# Override which model is used for each tier. Defaults are used if not set.
# ANTHROPIC_SMALL_MODEL=... # Small tier (default: claude-haiku-4-5-20251001)
# ANTHROPIC_MEDIUM_MODEL=... # Medium tier (default: claude-sonnet-4-6)
# ANTHROPIC_LARGE_MODEL=... # Large tier (default: claude-opus-4-6)
# =============================================================================
# OPTION 3: AWS Bedrock
# =============================================================================
# https://aws.amazon.com/blogs/machine-learning/accelerate-ai-development-with-amazon-bedrock-api-keys/
# Requires the model tier overrides above to be set with Bedrock-specific model IDs.
# Example Bedrock model IDs for us-east-1:
# ANTHROPIC_SMALL_MODEL=us.anthropic.claude-haiku-4-5-20251001-v1:0
# ANTHROPIC_MEDIUM_MODEL=us.anthropic.claude-sonnet-4-6
# ANTHROPIC_LARGE_MODEL=us.anthropic.claude-opus-4-6
# CLAUDE_CODE_USE_BEDROCK=1
# AWS_REGION=us-east-1
# AWS_BEARER_TOKEN_BEDROCK=your-bearer-token
# =============================================================================
# Available Models
# =============================================================================